124 lines
2.2 KiB
C++
124 lines
2.2 KiB
C++
/*
|
|
* Copyright 2015 The Etc2Comp Authors.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
namespace Etc
|
|
{
|
|
class Block4x4;
|
|
|
|
class SortedBlockList
|
|
{
|
|
public:
|
|
|
|
class Link
|
|
{
|
|
public:
|
|
|
|
inline void Init(Block4x4 *a_pblock)
|
|
{
|
|
m_pblock = a_pblock;
|
|
m_plinkNext = nullptr;
|
|
}
|
|
|
|
inline Block4x4 * GetBlock(void)
|
|
{
|
|
return m_pblock;
|
|
}
|
|
|
|
inline void SetNext(Link *a_plinkNext)
|
|
{
|
|
m_plinkNext = a_plinkNext;
|
|
}
|
|
|
|
inline Link * GetNext(void)
|
|
{
|
|
return m_plinkNext;
|
|
}
|
|
|
|
inline Link * Advance(unsigned int a_uiSteps = 1)
|
|
{
|
|
Link *plink = this;
|
|
|
|
for (unsigned int uiStep = 0; uiStep < a_uiSteps; uiStep++)
|
|
{
|
|
if (plink == nullptr)
|
|
{
|
|
break;
|
|
}
|
|
|
|
plink = plink->m_plinkNext;
|
|
}
|
|
|
|
return plink;
|
|
}
|
|
|
|
private:
|
|
|
|
Block4x4 *m_pblock;
|
|
Link *m_plinkNext;
|
|
};
|
|
|
|
SortedBlockList(unsigned int a_uiImageBlocks, unsigned int a_uiBuckets);
|
|
~SortedBlockList(void);
|
|
|
|
void AddBlock(Block4x4 *a_pblock);
|
|
|
|
void Sort(void);
|
|
|
|
inline Link * GetLinkToFirstBlock(void)
|
|
{
|
|
return m_plinkFirst;
|
|
}
|
|
|
|
inline unsigned int GetNumberOfAddedBlocks(void)
|
|
{
|
|
return m_uiAddedBlocks;
|
|
}
|
|
|
|
inline unsigned int GetNumberOfSortedBlocks(void)
|
|
{
|
|
return m_uiSortedBlocks;
|
|
}
|
|
|
|
void Print(void);
|
|
|
|
private:
|
|
|
|
void InitBuckets(void);
|
|
|
|
class Bucket
|
|
{
|
|
public:
|
|
Link *plinkFirst;
|
|
Link *plinkLast;
|
|
};
|
|
|
|
unsigned int m_uiImageBlocks;
|
|
int m_iBuckets;
|
|
|
|
unsigned int m_uiAddedBlocks;
|
|
unsigned int m_uiSortedBlocks;
|
|
Link *m_palinkPool;
|
|
Bucket *m_pabucket;
|
|
float m_fMaxError;
|
|
|
|
Link *m_plinkFirst;
|
|
Link *m_plinkLast;
|
|
|
|
};
|
|
|
|
} // namespace Etc
|